Home / 31,600.54-43,604.04-18,172.36

Finding the Fourth Proportional to 31,600.54, 43,604.04 and 18,172.36

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Solution

The fourth proportional to 31,600.54, 43,604.04 and 18,172.36 is: 25,075.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,600.54 : 43,604.04 = 18,172.36 : x
  2. Step 2: Convert to fraction form
    31,600.54/43,604.04 = 18,172.36/x
  3. Step 3: Cross multiply
    31,600.54x = 43,604.04 × 18,172.36
  4. Step 4: Simplify right side
    31,600.54x = 792,388,312.33
  5. Step 5: Solve for x
    x = 792,388,312.33/31,600.54
  6. Step 6: Final answer
    x = 25,075.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.